var imgResource = [
{
    _sType: "sPageBody",
    children: [
        {
            _sType: "sText",
            innerText: "这是一张图片",
            style: {
                fontSize: 20,
            }
        },
        {
        _sType: "sLayer",
        children: [
            {
                _sType: "sImage",
                src: bigBase64,
                style: {
                }
            }
        ],
        style: {
            width: 300,
            height: 1800,
        }
    }],
    style: {
        padding: 40
    }
},
{
    _sType: "sPageFoot",
    children:[
    {
        _sType: "sLayer",
        children: [
            {
                _sType: "sText",
                innerText: "第1页",
                variable: {
                    name: "pageIndex",
                    format: "第{pageIndex}页"
                },
                style: {
                }
            },
            {
                _sType: "sParagraph",
                style: {
                    lineHeight: 2,
                    textIndent: 0,
                    textAlign: "center"
                }
            },
        ],
        style: {
            width: 200,
            height: 50,
            backgroundColor: "#ddd",
        }
    }],
    style: {
        display: "none"
    }
}];